While you wait for answers, we may have found some information which could help you.
Success
Message
How do I trace a Lawn Tractor starting problem?
Lawnmower?
Reassemble Throttle?
Throttle issue?
Lawnmower repair?
Carburettor?
Fuel for mountfield?
Flymo 400 turbo stopped working?
Bosch al3640 cv?
Tractor won't shift into gear?
No ignition light?
Trying to find lawn mower part- Power Devil PDG4037R?